201201021220011 has 8 divisors (see below), whose sum is σ = 268271193626064. Its totient is φ = 134132431480320.

The previous prime is 201201021220007. The next prime is 201201021220049. The reversal of 201201021220011 is 110022120102102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201201021220011 - 2² = 201201021220007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201201021220051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395369926 + ... + 395878491.

It is an arithmetic number, because the mean of its divisors is an integer number (33533899203258).

Almost surely, 2^{201201021220011} is an apocalyptic number.

201201021220011 is a deficient number, since it is larger than the sum of its proper divisors (67070172406053).

201201021220011 is an equidigital number, since it uses as much as digits as its factorization.

201201021220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791333181.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201201021220011 its reverse (110022120102102), we get a palindrome (311223141322113).

The spelling of 201201021220011 in words is "two hundred one trillion, two hundred one billion, twenty-one million, two hundred twenty thousand, eleven".